I have been participating in the sport of Jam Skating (fancy rollerskating) for the last 6 years at my local roller rink. Since the start I have been going through wheels, bearings, boots, and trucks/plates, not just because they broke but because they wore out. I have seen skate wheel regroovers before but I don't need need one if I have a metal lathe that is more precise any way.
So I set out to design a tool that skate wheels attach to and can be mounted on my lathe between centers.
**Before you attempt this project on the metal lathe you should be comfortable with turning cuts, facing cuts, and single point threading. You should also be familiar with feeds and speeds appropriate for your lathe.**
So I set out to design a tool that skate wheels attach to and can be mounted on my lathe between centers.
**Before you attempt this project on the metal lathe you should be comfortable with turning cuts, facing cuts, and single point threading. You should also be familiar with feeds and speeds appropriate for your lathe.**
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Signing UpStep 1: Designing the Arbor
My criteria:
•Mount between centers
•Must be very accurate and repeatable
•Must regroove all skate wheels
My sketch shows the mounting arbor where the counter bores of the wheel seat, it also show the taper nut that centers the wheel on the arbor.
•Mount between centers
•Must be very accurate and repeatable
•Must regroove all skate wheels
My sketch shows the mounting arbor where the counter bores of the wheel seat, it also show the taper nut that centers the wheel on the arbor.
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If you feel confident in your wheel jig(and it LOOKS pretty darn nice) try this.
Stick the wheels in the freezer(or dry ice is even better) for a good long while.
Polish and hone the living snot out of your tool bit.
Set your height about 5mm above center.
As for feeds and speeds, you should be running closer to 2500RPM.
and of course, your feed/revolution stays the same(sorry, being from the middle of the USA, I only know it as IPM. how would you shorthand the metric, MMpM?)
But, If it works for you the way it is... go for it. Not like you NEED to be getting production speeds at home, on a project like this.
It's a great little project, and the end results look fantastic.
•I guess I was talking about Threads Per Inch (1/2-20).
I'm not sure the diamond tool holder has enough front clearance for .250 in above center -- I thought about it though.
Look for the "Skate Nurse" regrooving machine. It gave me ideas.